diff --git a/media-libs/libvorbis/libvorbis-1.3.1.bep b/media-libs/libvorbis/libvorbis-1.3.1.bep
index ebac20f13..026fef199 100644
--- a/media-libs/libvorbis/libvorbis-1.3.1.bep
+++ b/media-libs/libvorbis/libvorbis-1.3.1.bep
@@ -6,7 +6,7 @@ REVISION="1"
 STATUS_HAIKU="stable"
 DEPEND="dev-util/pkgconfig >= 0.23"
 BUILD {
-	cd libvorbis-1.2.3
+	cd libvorbis-1.3.1
 	libtoolize --force --copy --install
 	mkdir -p m4
 	cp /boot/common/share/aclocal/libtool.m4 m4
@@ -22,6 +22,6 @@ BUILD {
 }
 
 INSTALL {
-	cd libvorbis-1.2.3
+	cd libvorbis-1.3.1
 	make install
 }
diff --git a/media-libs/libvorbis/patches/libvorbis-1.3.1.patch b/media-libs/libvorbis/patches/libvorbis-1.3.1.patch
new file mode 100644
index 000000000..ecacce794
--- /dev/null
+++ b/media-libs/libvorbis/patches/libvorbis-1.3.1.patch
@@ -0,0 +1,14 @@
+diff -urN libvorbis-1.3.1-orig/configure.ac libvorbis-1.3.1/configure.ac
+--- libvorbis-1.3.1-orig/configure.ac	2010-03-26 06:56:58.061079552 +0000
++++ libvorbis-1.3.1/configure.ac	2010-05-12 05:56:55.536870912 +0000
+@@ -206,6 +206,10 @@
+ 		DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
+ 		CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
+ 		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
++ 	*-*-haiku*)
++		DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
++		CFLAGS="-O20 -Wall -D__NO_MATH_INLINES -fsigned-char"
++		PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
+  	*)
+ 		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
+ 		CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"